Massage device



FIG. 1 is a perspective view of a massage device, showing the new ornamental design of the massage device and relative positioning of a ball;

FIG. 2 is a perspective view of a massage device, showing the new ornamental design;

FIG. 3 is a top view of a massage device, showing the new ornamental design;

FIG. 4 is a bottom view of a massage device, showing the new ornamental design;

FIG. 5 is a right side view of a massage device, which is identical to the left side, showing the new ornamental design; and,

FIG. 6 is a front view of a massage device, which is identical to the back, showing the new ornamental design.

Portions of the drawing shown in broken lines are for illustrative purposes only and form no part of the claimed design. 

CLAIM The ornamental design for a massage device, as shown and described. 